https://github.com/sarcasticadmin/sodaflake

https://github.com/sarcasticadmin/sodaflake

Last synced: about 21 hours ago
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• Host: GitHub
• URL: https://github.com/sarcasticadmin/sodaflake
• Owner: sarcasticadmin
• License: bsd-3-clause
• Created: 2024-02-22T06:24:38.000Z (9 months ago)
• Default Branch: master
• Last Pushed: 2024-02-22T07:08:18.000Z (9 months ago)
• Last Synced: 2024-02-23T07:42:46.408Z (9 months ago)
• Language: Nix
• Size: 3.91 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# S.O.D.A Flake

A NixOS vm image for the https://github.com/jetbalsa/soda-machine

## How to build

Assuming you have nix installed locally:

```

$ nix build .#colaImage

```

> `result` will contain a symlink to your new image

## Testing

To check the basic functionality of the vm:

```

$ nix build .#nixosConfigurations.cola.config.system.build.vm

$ ./result/bin/run-nixos-vm

```

Or you can craft some user-data and see how cloud-init handles that:

```

$ cat << EOF > user-data

#cloud-config

chpasswd:

  expire: false

  users:

    - name: user

      password: scale21x

      type: text

touch meta-data

touch network-config

EOF

```

Build the image that contains the user-data and other data files:

```

$ nix shell nixpkgs#cdrkit

$ genisoimage -output seed.img -volid cidata -rational-rock -joliet user-data network-config meta-data

```

Build and run the image:

```

$ nix build .#colaImage

$ rm -f nixos.qcow2 && cp result/nixos.qcow2 . && chmod 664 nixos.qcow2

$ qemu-system-x86_64 -m 1024 -net nic -net user  -drive file=nixos.qcow2,if=virtio -drive file=seed.img,if=virtio

```

Verify that the user-data ran without error (password should be what we set it to in user-data):

```

$ journalctl -u cloud-init

$ cd /var/run/cloud

```

> Check for any failures

## Known Issues

- cloud-init needs some work in a NixOS environment. The only thing guaranteed to work is the password setup.

  - `bootcmd` seems to assume `/bin/sh` so that doesn't work at the moment.

  - Setting the hostname fails since cloud-init wants to edit the read-only symlink to the nix store. This always shows

    up in the logs